some are asking whether tsa agents should be armed. security at the nation's airport will be reviewed. >> the responsibility for protecting airport security is not a tsa function, but it's something we need to examine given what happened in los angeles. >> the suspect paul ciancia was shot four times by police. he remains hospitalized this evening. >>> it's a small election but could have a big impact. voters of sunnyvale will head to the polls to decide on a gun control measure. >> reporter: they'll be watching the outcome for two reasons. first of all, several other cities throughout the nation are considering similar legislation. they want to see what voters do tomorrow. but also the nra is already threatening to sue if the measure happens. when 26 people died in newtown, connecticut, the mayor knew he had to try to do something to curve gun violence. >> innocent children go down. accidental killing goes down by young adults. >> reporter: more than 1,000 people signed a petition agreeing with the mayor. if approved, it will prohibit